Modifying Assembly Information
Display item's additional properties
Cookies are now written to disk

This worked before but the responsible code was accidentally removed
during reorganization.
Item info popup now properly resizes vertically
Item info popup now hides properly

Previously, moving the mouse cursor from an occupied item slot to an
unoccupied one would leave the item info popup visible.
Support named tabs
Add missing file for named tabs
Simplified control layout for the item info popup
Revised compilation instructions for flow
Added license file to build output
Merge remote-tracking branch 'upstream/master'
Fixed empty slot highlighting.